Gatsby® Slow Feed Hay Net Encourage slower consumption of hay and allow for less waste! Made of the strongest Challenger poly hay cord for long-term use the large 40 size holds plenty of hay while the 2” holes are ideal for keeping horses busy whether stalled or on-the-go at horse shows. Features: Strong Challenger poly hay cord material Great for keeping stalled horses busy Attaches easily for trailering 2 holes Item Specifications: Size: 40 Material: Challenger poly hay cord Gatsby® Your Horse Our Purpose. Founded in 1979 Gatsby® is one of the industry s most recognizable and credible equestrian brands. They are founded on the belief that the more time you spend with your horse the better - that s why the products designed by Gatsby® make sense for the barn and for your budget.